137770307 has 2 divisors, whose sum is σ = 137770308. Its totient is φ = 137770306.

The previous prime is 137770249. The next prime is 137770331. The reversal of 137770307 is 703077731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137770307 - 2¹⁰ = 137769283 is a prime.

It is not a weakly prime, because it can be changed into another prime (137770357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68885153 + 68885154.

It is an arithmetic number, because the mean of its divisors is an integer number (68885154).

Almost surely, 2^137770307 is an apocalyptic number.

137770307 is a deficient number, since it is larger than the sum of its proper divisors (1).

137770307 is an equidigital number, since it uses as much as digits as its factorization.

137770307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21609, while the sum is 35.

The square root of 137770307 is about 11737.5596697099. The cubic root of 137770307 is about 516.4780575990.

The spelling of 137770307 in words is "one hundred thirty-seven million, seven hundred seventy thousand, three hundred seven".